Canon 30D vs Nikon D3100

Below is a comprehensive assessment of the Canon 30D versus Nikon D3100, one being a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Canon and Nikon. There is a significant difference among the image resolutions of the 30D (8MP) and D3100 (14MP) but both cameras posses the same sensor size (APS-C).

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The 30D was unveiled 5 years before the D3100 and that is a fairly sizable gap as far as camera tech is concerned. Both of these cameras have different body design with the Canon 30D being a Mid-size SLR camera and the Nikon D3100 being a Compact SLR camera.

Before delving into a step-by-step comparison, here is a quick highlight of how the 30D matches up versus the D3100 with regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Canon EOS 30D and Nikon D3100. The full galleries are provided at Canon 30D Gallery and Nikon D3100 Gallery.

When you are planning to lug around your camera often, you have to think about its weight and volume. The Canon 30D enjoys outside dimensions of 144mm x 106mm x 74mm (5.7" x 4.2" x 2.9") accompanied by a weight of 784 grams (1.73 lbs) whilst the Nikon D3100 has sizing of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") with a weight of 505 grams (1.11 lbs).

See the Canon 30D versus Nikon D3100 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that time. Underneath is a front view size comparison of the 30D compared to the D3100.

Taking into account size and weight, the portability grade of the 30D and D3100 is 58 and 68 respectively.

Often, it's tough to visualize the difference in sensor measurements simply by going through specifications. The visual underneath may give you a much better sense of the sensor sizes in the 30D and D3100.

To sum up, both of the cameras provide the same sensor dimensions but different megapixels. You should expect to see the Nikon D3100 to provide extra detail having an extra 6 Megapixels. Greater resolution will let you crop images more aggressively. The older 30D will be disadvantaged in sensor innovation.